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45145 (1999 XN105)
Classification: Main-belt Asteroid          SPK-ID: 2045145
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659286116776498 6.5517e-08  
a 2.407233086130018 1.8357e-08 AU
q 2.007804242163959 1.5595e-07 AU
i 6.220611802266359 7.2952e-06 deg
node 40.63775653220474 5.88e-05 deg
peri .09288001654447996 6.2437e-05 deg
M 31.65308132121335 2.0056e-05 deg
tp 2456880.553070366935
(2014-Aug-11.05307037)
7.5675e-05 JED
period 1364.19245348364
3.73
1.5605e-05
4.272e-08
d
yr
n .2638923848909249 3.0186e-09 deg/d
Q 2.806661930096076 2.1403e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      21857 days (59.84 yr)  
   first obs. used      1954-10-28  
   last obs. used      2014-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .511  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:46:32  

Additional Information
 Earth MOID = 1.01566 AU 
 T_jup = 3.495 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO233749  

45145 (1999 XN105)          Discovered 1999-Dec-08 by Shiozawa, H., Urata, T. at Nachi-Katsuura (905)
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XN105 = 1954 UR2 = 2001 FY48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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